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Finding the Fourth Proportional to 635,330.71, 876,756.39 and 348,850.80

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Solution

The fourth proportional to 635,330.71, 876,756.39 and 348,850.80 is: 481,414.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,330.71 : 876,756.39 = 348,850.80 : x
  2. Step 2: Convert to fraction form
    635,330.71/876,756.39 = 348,850.80/x
  3. Step 3: Cross multiply
    635,330.71x = 876,756.39 × 348,850.80
  4. Step 4: Simplify right side
    635,330.71x = 305,857,163,460.59
  5. Step 5: Solve for x
    x = 305,857,163,460.59/635,330.71
  6. Step 6: Final answer
    x = 481,414.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.